1. Turn off air.
2. Wait 5 min.
3. set up either brine shrimp net over lip of brine culture, or a small cup.
4. take a turkey baster and suck some of the live brine out of the bottom.
5. put in net, or cup.
6. if in net, then invert net into small cup of fresh water.
7. if in cup, pour cup into net. Then invert net into small cup of fresh water.
8. either use the turkey baster to squirt the bbs/freshwater mix into the spawn tank, or just pour from cup.
If you wish, you can carefully rinse the bbs under water when in net.
Keep them fat and happy!!!
Jeff.